<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <script src="../js/vue.js"></script>
    <!-- 引入样式 -->
    <link rel="stylesheet" href="https://unpkg.com/element-ui/lib/theme-chalk/index.css">
    <!-- 引入组件库 -->
    <script src="https://unpkg.com/element-ui/lib/index.js"></script>
    <style>
       .con{
           width: 250px;
           height: 50px;
           border: 1px solid #ccc;
           font-size: 30px;
       }
    </style>
</head>

<body>
    <div id="root">
        <div class="search">
            <div v-if="flag" class="con">{{shuju}}</div>
            <input v-model="shuju" class="jd" type="text" placeholder="请输入你的快递单号">
        </div>
    </div>

    <script>
        const vm = new Vue({
            el: '#root',
            data: {
                shuju:'',
                flag:false

            },
            methods: {
                over(){
                    
                }
            },
            mounted() {
               this.over();
            },

        })
    </script>
</body>

</html>